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Paragonimiasis is a food-borne parasitic disease caused by several species of lung flukes belonging to genus Paragonimus. [4] Infection is acquired by eating crustaceans such as crabs and crayfishes which host the infective forms called metacercariae, or by eating raw or undercooked meat of mammals harboring the metacercariae from crustaceans.
Paragonimus westermani (Japanese lung fluke or oriental lung fluke) is the most common species of lung fluke that infects humans, causing paragonimiasis. [2] Human infections are most common in eastern Asia and in South America. Paragonimiasis may present as a sub-acute to chronic inflammatory disease of the lung. It was discovered by Dutch ...
Several of the species are known as lung flukes. In humans some of the species occur as zoonoses ; the term for the condition is paragonimiasis . The first intermediate hosts of Paragonimus include at least 54 species of freshwater snails from superfamilies Cerithioidea and Rissooidea .
Symptoms of lung fluke infections (Paragonimus) depend on the parasite’s stage in its life cycle, and how it travels around in the lung. [9] [3] Trematodiases that impact the lungs can cause cough, headache, chest pain, high temperature and change in appetite. [1] [5] Intestinal trematodiases infect the gastrointestinal tract. [12]
Once the fluke has been ingested, enzymes within the digestive tract of the consumer break down the parasitic cysts. The immature parasite continues to mature within the lungs of its new host, feeding on its intestine, and lay eggs. Mature lung flukes may breed year-round. P. kellicotti may live up to 20 years within a human host.
William was exhibiting symptoms of what doctors would later diagnose as mycoplasma pneumonia, also known as “white lung syndrome,” a bacteria that can cause infections by damaging the lining ...
White lung syndrome, or white lung pneumonia, is getting attention after an outbreak in Ohio. Experts explain symptoms, causes, treatment, and prevention.
The adult flukes can cause inflammation and damage to the lung tissue, leading to various symptoms. The symptoms of paragonimiasis may vary from mild to severe, depending on the extent of the infection, common symptoms include cough, chest pain, fever, difficulty breathing and coughing up blood. In some cases, the infection may be asymptomatic ...
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